National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Mostly Cloudy

59°F

15°C

Humidity 58%
Wind Speed S 18 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Dec 01:05 PM PST
Extended Forecast for

4 Miles E Hercules CA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West southwest wind around 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. North wind around 8 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 38. North northwest wind around 6 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Northeast wind 7 to 9 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Northeast wind 6 to 9 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West southwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 50. North wind around 8 mph.
Saturday Night
Increasing clouds, with a low around 38. North northwest wind around 6 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Northeast wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 37. Northeast wind 6 to 9 mph.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
New Year's Day
A chance of showers. Cloudy, with a high near 50.
Thursday Night
Showers likely. Cloudy, with a low around 43.
Friday
A chance of showers. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
Last Update:
12:27 pm PST Dec 26, 2025
Forecast Valid:
8pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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